24781120852 has 12 divisors (see below), whose sum is σ = 43371817300. Its totient is φ = 12389173056.

The previous prime is 24781120849. The next prime is 24781120879. The reversal of 24781120852 is 25802118742.

It can be written as a sum of positive squares in 2 ways, for example, as 10865143696 + 13915977156 = 104236^2 + 117966^2 .

It is a super-2 number, since 2×24781120852² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306123 + ... + 378514.

Almost surely, 2^24781120852 is an apocalyptic number.

It is an amenable number.

24781120852 is a deficient number, since it is larger than the sum of its proper divisors (18590696448).

24781120852 is a wasteful number, since it uses less digits than its factorization.

24781120852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693690 (or 693688 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 24781120852 in words is "twenty-four billion, seven hundred eighty-one million, one hundred twenty thousand, eight hundred fifty-two".